01 Simple

16:02:50 Create new Spreadsheet object
16:02:50 Set document properties
16:02:50 Add some data
16:02:50 Rename worksheet
16:02:50 Write Xlsx format to /tmp/phpspreadsheet/01_Simple.xlsx in 0.0018 seconds
16:02:50 Write Xls format to /tmp/phpspreadsheet/01_Simple.xls in 0.0080 seconds
16:02:50 Peak memory usage: 4MB